Swim fin



FIG. 1 is a top perspective view of my swim fin;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a side cross-sectional view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a left side elevational view thereof with the right sideelevational view being a mirror image thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a rear view thereof.

The ornamental design for a swim fin, as shown and described.